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Finding the Fourth Proportional to 55,703,798.60, 83,555,697.90 and 43,610,563.40

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Solution

The fourth proportional to 55,703,798.60, 83,555,697.90 and 43,610,563.40 is: 65,415,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703,798.60 : 83,555,697.90 = 43,610,563.40 : x
  2. Step 2: Convert to fraction form
    55,703,798.60/83,555,697.90 = 43,610,563.40/x
  3. Step 3: Cross multiply
    55,703,798.60x = 83,555,697.90 × 43,610,563.40
  4. Step 4: Simplify right side
    55,703,798.60x = 3,643,911,060,699,197
  5. Step 5: Solve for x
    x = 3,643,911,060,699,197/55,703,798.60
  6. Step 6: Final answer
    x = 65,415,845.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.